The thumbs up gesture has long ruled the internet and has had a major impact on social media engagement – so who came up with it and why?

the thumbs-up icon that Facebook and other online services turned into digital catnip. Like it or not, the button has served as a creative catalyst, a dopamine delivery system and an emotional ...

The internet wouldn't be the same without the Like button, the thumbs-up icon that Facebook and other online services turned into digital catnip.